#include "PolyLine.h"
#include <vtkActor.h>
#include <vtkCellArray.h>
#include <vtkCellData.h>
#include <vtkDoubleArray.h>
#include <vtkNamedColors.h>
#include <vtkNew.h>
#include <vtkPoints.h>
#include <vtkPolyData.h>
#include <vtkPolyDataMapper.h>
#include <vtkPolyLine.h>
#include <vtkProperty.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
PolyLine::PolyLine(QWidget *parent)
    : QMainWindow(parent)
{
	vtkWidget = new QVTKOpenGLNativeWidget(this);
	this->resize(600, 400);
	this->setCentralWidget(vtkWidget); vtkNew<vtkNamedColors> colors;

	// Create five points.
	double origin[3] = { 0.0, 0.0, 0.0 };
	double p0[3] = { 1.0, 0.0, 0.0 };
	double p1[3] = { 0.0, 1.0, 0.0 };
	double p2[3] = { 0.0, 1.0, 2.0 };
	double p3[3] = { 1.0, 2.0, 3.0 };

	// Create a vtkPoints object and store the points in it
	vtkNew<vtkPoints> points;
	points->InsertNextPoint(origin);
	points->InsertNextPoint(p0);
	points->InsertNextPoint(p1);
	points->InsertNextPoint(p2);
	points->InsertNextPoint(p3);

	vtkNew<vtkPolyLine> polyLine;
	polyLine->GetPointIds()->SetNumberOfIds(5);
	for (unsigned int i = 0; i < 5; i++)
	{
		polyLine->GetPointIds()->SetId(i, i);
	}

	// Create a cell array to store the lines in and add the lines to it
	vtkNew<vtkCellArray> cells;
	cells->InsertNextCell(polyLine);

	// Create a polydata to store everything in
	vtkNew<vtkPolyData> polyData;

	// Add the points to the dataset
	polyData->SetPoints(points);

	// Add the lines to the dataset
	polyData->SetLines(cells);

	// Setup actor and mapper
	vtkNew<vtkPolyDataMapper> mapper;
	mapper->SetInputData(polyData);

	vtkNew<vtkActor> actor;
	actor->SetMapper(mapper);
	actor->GetProperty()->SetColor(colors->GetColor3d("Tomato").GetData());

	// Setup render window, renderer, and interactor
	vtkNew<vtkRenderer> renderer;
	vtkWidget->renderWindow()->AddRenderer(renderer);
	renderer->AddActor(actor);
	renderer->SetBackground(colors->GetColor3d("DarkOliveGreen").GetData());
}
